Head Of Constantine
From Rome Ca. 325
This head was propobly made to be inserted onto a large statue or bust and be viewed from the front.
Constantine was the 1st emporer of the Roman Empire

This is about a leader of Italy (Technicly not Rome directly but...)
http://topics.nytimes.com/top/news/international/countriesandterritories/italy/index.html?scp=5&sq=new%20leader%20of%20rome&st=cse